张怡筠. (2007). 爱情其实很简单: Manage your love easily. 河北教育出版社.
Chicago Style aipamena张怡筠. 爱情其实很简单: Manage Your Love Easily. 河北教育出版社, 2007.
MLA aipamena张怡筠. 爱情其实很简单: Manage Your Love Easily. 河北教育出版社, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.